| 释义 |
silica brick silica brick[′sil·ə·kə ¦brik] (materials) A type of refractory brick formed of at least 90% silica cemented with, for example, slurried lime; used to line furnace roofs. silica brickA refractory brick made from quartzite containing about 96% silica, 2% alumina, and 2% lime. |